A. 1/8
B. 1/4
C. 1/2
D. 1/3
Related Mcqs:
- The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is_______________?
A. 1/2
B. 2/3
C. 1/4
D. 1/3 - A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is________________?
A. L/d
B. L/2d
C. (L/2d)²
D. (L/3d)² - A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be________________?
A. 2/3
B. 3/2
C. 5/8
D. 8/5 - A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is_________________?
A. 0.207
B. 0.307
C. 0.407
D. 0.508 - a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is___________________?
A. el/2d
B. e²l/3d²
C. el²/3d²
D. e²l²/3d² - A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is___________________?
A. 411 N mm
B. 511 N mm=
C. 611 N mm
D. 711 N mm - A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be_______________?
A. wa/27
B. wa²/27
C. w²a
D. wa² - The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is________________?
A. 1/8
B. 1/10
C. 1/12
D. 1/16 - A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 × 106 N/mm2, the depth of the joist, is________________?
A. 200 mm
B. 250 mm
C. 300 mm
D. 400 mm - The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is______________?
A. WL3/3EL
B. WL3/8EL
C. WL3/24EL
D. WL3/48EL
